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John Seach
Scientist, volcano adventurer, and microlight pilot.
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John Seach 15h
Nova Sagittarii 2015 No. 2 makes the top 20 brightest novae list at magnitude 4.0
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John Seach 21h
, Chile. Ash plume 10 nautical miles wide extending 60 nm SSE of volcano.
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John Seach 21h
volcano, Hawaii. Lava lake surface 2 m below overlook crater rim. Lava overflow appears likely.
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John Seach Apr 27
Barren Island , India. Pilot reports ash emissions 10,000 ft altitude.
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John Seach Apr 27
volcano, Hawaii. Lava rising in overlook crater, 4 m from crater rim. Lava lake surface visible from Jaggar Museum.
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John Seach Apr 25
Himalaya . Magnitude 5.7 aftershock 50 km NE of Mt Everest.
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John Seach Apr 25
Activity continues at volcano, Chile. Ash emissions 10,000 ft altitude.
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John Seach Apr 25
Nova Sagittarii 2015 No. 2 still visible to naked eye 6 weeks after discovery.
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John Seach Apr 25
Magnitude 7.9 Nepal caused avalanche on Mt Everest.
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John Seach Apr 25
Magnitude 7.9 80 km northwest of , Nepal.
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John Seach Apr 24
volcano, Chile. Residual ash cloud reaching altitude 30,000 ft.
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John Seach Apr 23
volcano, Chile. Ongoing ash emissions 10,000 ft altitude, extending northwest.
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John Seach Apr 23
volcano, Chile. Eruption continues with ash emissions at lower altitude.
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John Seach Apr 22
volcano, Chile. Previous major eruptions occurred in 1893–1895, 1929, 1961.
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John Seach Apr 22
volcano, Chile. At least 2 sector collapses directed towards the north and northwest have occurred in past 10,000 years
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John Seach Apr 22
Streams from volcano drain to Chapo and Llanquihue lakes.
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John Seach Apr 22
volcano, Chile. Historical eruptions are vulcanian to subplinian with ashfall, lava flows and pyroclastic flows.
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John Seach Apr 22
Lahars may be a secondary hazard of the eruption of volcano, Chile.
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John Seach Apr 22
volcano, Chile. Eruption plume reached altitude of 40,000 ft.
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John Seach Apr 22
and volcanoes lie on the same fault and are known to erupt within a few years of each other or together.
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